The list of extensions is locked - you can see the list at our extensions page here.

We want to be mindful about what extensions are available on the platform and watch for telemetry and feedback and make sure the reliability, performance and functionality of the browser isn’t impacted by these new features.

To preserve compatibility for legacy scenarios, MSHTML will not receive platform updates outside of high priority security and reliability fixes.

The default browser for Windows 10 is Microsoft Edge, which is powered by our new rendering engine and is our path forward for the Web on Windows.

Microsoft Edge has been designed and built to showcase Windows 10 features like Cortana, and is built on top of the Universal Windows Platform.

We don’t have any plans to bring Microsoft Edge to Windows 7 or Windows 8.1 at this time.

The web is built on the principle of multiple independent, interoperable implementations of web standards, and we feel it is important to counter movement towards a monoculture on the web.

Microsoft Edge HTML began as a fork of MSHTML in early 2014, but has since diverged rapidly.

It is built to be highly compatible with the modern web.

For some enterprise web apps and a small set of sites on the web that were built to work with older technologies like Active X, you’ll find a new option that lets you access that site using Internet Explorer 11 on Windows 10.This message usually appears after you’ve installed an extension from the Windows Store.